Duramax and Blue Def
I had to replace both nox sensors at around 40,000 miles. They were covered under warranty. The GM dealer asked what def fluid I was using. Had been using Blue Def from Walmart, he said that Blue def ...
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worked on a ram 2500 for a def problem the other day done all the checks on the def fluid ,checked ok called chrysler star asked me if any thing floating in fluid, there was none told me scr converter bad (having problems with early failuer) replaced scr all went ok . But i asked this question only because the fault code i got was for degraded def, the guy used brand from wal-mart chrysler told me all def fluid is the same no matter what brand. But he did tell me what is happing is people have figured out how to beat the system by adding dishwashing soap he didnt know the amount(or he couldnt tell me) that is why he asked me if anything floating in it or if it was slightly cloudy.
